Sirolimus-induced interstitial lung disease and resolution after conversion to everolimus.
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ABSTRACT:
SUBMITTER: Alkhunaizi AM
PROVIDER: S-EPMC7287142 | biostudies-literature | 2020
REPOSITORIES: biostudies-literature
Publications
Sirolimus-induced interstitial lung disease and resolution after conversion to everolimus.
Alkhunaizi Ahmed M AM Al-Khouzaie Thamer H TH Alsagheir Ahmed I AI
Respiratory medicine case reports 20200602
Mammalian target of rapamycin inhibitors (mTORi) are used to treat a variety of malignancies and have an established role in organ transplantation. Interstitial lung disease (ILD) is one of the complications of mTORi and is believed to be a class effect. More cases of ILD have been reported with sirolimus than with everolimus in the literature, possibly due to earlier introduction and wider use of sirolimus. We report the case of a kidney transplant recipient who developed ILD secondary to sirol ...[more]
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Project description:BackgroundEverolimus-related interstitial lung disease (ILD) (also: pneumonitis) poses a difficulty for physicians, as it is hard to discriminate ILD from other causes of respiratory symptoms and to decide on safe treatment continuation.ObjectiveWe investigated the capability of pulmonary function tests (PFT), plasma biomarkers, everolimus pharmacokinetics, and FDG-PET to discriminate between everolimus-related ILD and other causes of respiratory problems and to predict the severity of ILD.Patients and methodsWomen starting treatment with everolimus plus exemestane for advanced breast cancer were included. At baseline and during the first 3 months, respiratory symptoms, PFT with diffusion capacity of the lungs for carbon monoxide corrected for hemoglobin (DLCOc) and forced vital capacity, serum plasma biomarkers (including SP-D and YKL-40), everolimus trough concentration, and 18F-FDG-PET were prospectively recorded.ResultsTwenty-seven (out of 29 included) patients were evaluable for analysis. Fifteen patients (56%) developed everolimus-related respiratory signs or symptoms and four patients (15%) needed everolimus discontinuation and received corticosteroids. Change in DLCOc differentiated ILD from alternative diagnoses with 0.91 sensitivity and 0.78 specificity. Decrease in DLCOc (non-significant) was greatest in patients who needed everolimus discontinuation. Serum SP-D and YKL-40 could differentiate ILD from alternative diagnoses with 0.83 and 0.83 sensitivity, and 0.85 and 0.62 specificity, respectively. 18F-FDG-PET abnormalities did not precede clinical symptoms. No relationship between ILD and everolimus trough concentration was found.ConclusionsThis study shows that everolimus-related ILD occurs frequently. Prospective monitoring of DLCOc in combination with measurement of serum SP-D and YKL-40 appear useful to discriminate ILD from other causes of respiratory symptoms. Clinicaltrials.gov identifier: NCT01978171.
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Project description:IntroductionInterstitial lung disease (ILD) is the most frequent cause of drug-related mortality from EGFR tyrosine kinase inhibitors (TKIs). Yet, for patients with symptomatic osimertinib-induced ILD, the risk of recurrent ILD associated with EGFR TKI rechallenge, either with osimertinib or another TKI, such as erlotinib, is unclear.MethodsRetrospective study of 913 patients who received osimertinib treatment for EGFR mutation-positive NSCLC. Clinical characteristics, ILD treatment history, and subsequent anticancer therapy of patients with symptomatic osimertinib-induced ILD were collated. The primary end point was to compare the incidence of recurrent ILD with osimertinib versus erlotinib rechallenge.ResultsOf 913 patients, 35 (3.8%) had symptomatic osimertinib-induced ILD, of which 12 (34%), 15 (43%), and eight (23%) had grade 2, 3 to 4, and 5 ILD, respectively. On ILD recovery, 17 patients had EGFR TKI rechallenge with eight received osimertinib and nine received erlotinib. The risk of recurrent ILD was higher with osimertinib rechallenge than erlotinib (p = 0.0498). Of eight, five (63%) developed recurrent ILD on osimertinib rechallenge, including three patients with fatal outcomes. In contrast, only one of nine patients (11%) treated with erlotinib had recurrent ILD. Median time to second ILD occurrence was 4.7 (range 0.7-12) weeks. Median time-to-treatment failure of patients with erlotinib rechallenge was 13.2 months (95% confidence interval: 8.6-15.0).ConclusionsThe risk of recurrent ILD was considerably higher with osimertinib rechallenge than erlotinib. Osimertinib rechallenge should be avoided, whereas erlotinib may be considered in patients with symptomatic osimertinib-induced ILD.
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Project description:Everolimus (EVL) and Sirolimus (SRL) are potent immunosuppressant agents belonging to the group of mammalian target of rapamycin (mTOR) inhibitors used to prevent transplant rejection. However, some patients develop proteinuria following a switch from a calcineurin inhibitor regimen to mTOR inhibitors. Whether different mTOR inhibitors show similar effects on podocytes is still unknown. To analyze this, human podocytes were incubated with different doses of EVL and SRL. After incubation with EVL or SRL, podocytes revealed a reduced expression of total mTOR. Phosphorylation of p70S6K and Akt was diminished, whereas pAkt expression was more reduced in the SRL group. In both groups actin cytoskeletal reorganization was increased. Synaptopodin and podocin expression was reduced as well as nephrin protein, particularly in the SRL group. NFκB activation and IL-6 levels were lower in EVL and SRL, and even lower in SRL. Apoptosis was more increased in SRL than in the EVL group. Our data suggests that mTOR inhibitors affect podocyte integrity with respect to podocyte proteins, cytoskeleton, inflammation, and apoptosis. Our study is the first to analyze both mTOR inhibitors, EVL and SRL, in parallel in podocytes. Partially, the impact of EVL and SRL on podocytes differs. Nevertheless, it still remains unclear whether these differences are of relevance regarding to proteinuria in transplant patients.
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Project description:This article reviews the most important articles published in interstitial lung disease, as reviewed during the Clinical Year in Review session at the 2012 annual European Respiratory Society Congress in Vienna, Austria. Since the recent international guidelines for the management of idiopathic pulmonary fibrosis (IPF), important new evidence is available. The anti-fibrotic drug pirfenidone has been recently approved in Europe. Other pharmacological agents, especially nintedanib, are still being tested. The so-called triple combination therapy, anticoagulation therapy and endothelin receptor antagonists, especially ambrisentan, are either harmful or ineffective in IPF and are not recommended as treatment. Although the clinical course of IPF is highly variable, novel tools have been developed for individual prediction of prognosis. Acute exacerbations of IPF are associated with increased mortality and may occur with higher frequency in IPF patients with associated pulmonary hypertension. Interstitial lung disease associated with connective tissue disease has been definitely established to have a better long-term survival than IPF. A subset of patients present with symptoms and/or biological autoimmune features, but do not fulfil diagnostic criteria for a given autoimmune disease; this condition is associated with a higher prevalence of nonspecific interstitial pneumonia pattern, female sex and younger age, although survival relevance is unclear.
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Project description:Interstitial lung diseases are a group of diffuse parenchymal lung disorders associated with substantial morbidity and mortality. Knowledge achieved in recent years has resulted in the publication of the new classification of idiopathic interstitial pneumonias, according to which there are three groups: major, rare and unclassified. The novelty of the new classification comes from the fact that difficult to classify entities can be treated according to the disease behaviour classification. Idiopathic pulmonary fibrosis is the most lethal amongst the interstitial lung diseases and presents high heterogeneity in clinical behaviour. A number of biomarkers have been proposed in order to predict the course of the disease and group patients with the same characteristics in clinical trials. Early diagnosis and disease stratification is also important in the field of other interstitial lung diseases.
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Project description:Nivolumab improves overall survival rates of patients with advanced or recurrent non-small-cell lung cancer (NSCLC). Among immune-related adverse events caused by nivolumab, interstitial lung disease (ILD) is a clinically serious and potentially life-threatening toxicity, for which appropriate treatment is needed immediately. However, ILD is sometimes difficult to distinguish from invasive lung adenocarcinoma using only computed tomography (CT) findings. A 71-year-old man was diagnosed with advanced lung adenocarcinoma. The patient developed dyspnoea after eight cycles of nivolumab, when chest CT indicated ILD classified with a cryptogenic organizing pneumonia (COP) pattern. Although immunosuppressive therapies improved the CT findings temporarily, dyspnoea was re-exacerbated 2 months later. The CT findings helped in making the diagnosis of a combination of ILD and invasive lung cancer, confirmed by a transbronchial lung biopsy. In conclusion, nivolumab-related ILD and cancer invasion may concur and aggressive biopsy should be considered if nivolumab-related ILD is refractory to immunosuppressive therapy.
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Project description:BackgroundThe extent of lung involvement visualized by high-resolution computed tomography (HRCT) is a predictor of decline in forced vital capacity (FVC) in scleroderma-interstitial lung disease. Our objective was to evaluate the performance of three different HRCT-defined staging systems in the Scleroderma Lung Study I (SLS I) over a 1-year period.MethodsWe assessed two visual semiquantitative scores: the maximum fibrosis score (MaxFib, the fibrosis score in the zone of maximal lung involvement) and visual assessment of total lung involvement (TLI) as proposed by Goh and Wells. In addition, we evaluated the computer-aided diagnosis and calculated the quantitative percentage with fibrosis (QLF) and TLI.ResultsThe mean duration of the disease was 3.2 years, and the mean FVC was 67.7 %. Regardless of the staging system used, a greater degree of fibrosis/TLI on HRCT scans was associated with a greater decline in FVC in the placebo group. Using the MaxFib and QLF, the mean absolute changes in FVC from baseline were 0.1% and -1.4%, respectively, in <25% lung involvement vs. a change of -6.2% and -6.9%, respectively, with >25% involvement (negative score denotes worsening in FVC). Conversely, cyclophosphamide was able to stabilize decline in FVC in subjects with greater degree of involvement detected by HRCT. Using the visual MaxFib and QLF, the mean absolute improvements in FVC were 1.2 and 1.1, respectively, with >25% involvement.ConclusionsHRCT-defined lung involvement was a predictor of decline in FVC in SLS I. The choice of staging system for cohort enrichment in a clinical trial depends on feasibility.Trial registrationClinicalTrials.gov identifier: NCT00004563 (Scleroderma Lung Study I) ISRCTN15982171. Registered 19 Aug 2015.
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Project description:Interstitial lung disease (ILD) is comprised of a heterogeneous group of disorders with highly variable natural histories and response to therapies. Pharmacogenetics focuses on the variability in drug response because of the presence of genetic factors that influence drug metabolism or disease activity. In this article, we review relevant drug-specific and disease-specific polymorphisms that may influence therapeutic response, and then highlight a recently identified drug-gene interaction in patients with idiopathic pulmonary fibrosis (IPF).The emergence of high-throughput genomic technology has allowed for identification of gene polymorphisms associated with susceptibility to specific disease states, including IPF and several connective tissue diseases known to cause ILD. IPF risk loci span a diverse group of genes, while most associated with connective tissue disease are critical to immune signaling. A recent pharmacogenetic analysis of patients enrolled in an IPF clinical trial identified a variant within TOLLIP to be associated with differential response to N-acetylcysteine therapy.Though few pharmacogenetic investigations have been conducted in patients with ILD to date, ample opportunities for pharmacogenetic exploration exist in this patient population. Such exploration will advance our understanding of specific ILDs and help usher in an era of personalized medicine.
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